Sony EVI-HD7V Service Manual page 87

A
Is the video signal
No
output as set up in
System select?
Yes
Yes
Does the Pan/Tilt
motor operate?
No
Does it stop once at
Yes
the end point of Tilt
and return?
No
. Perform the Pan/Tilt
adjustment.
. Replace the MDR-42 board.
. Replace FFC between
the SY-359 board and
the MDR-42 board.
No
Does it stop once at
Yes
the end point of Pan
and return?
No
. Perform the Pan/Tilt
adjustment.
. Replace the SE-987 board.
. Replace FFC between
the SY-359 board and
the SE-987 board.
End
EVI-HD7V
. FFC:
Flexible flat cable
. Pan/Tilt adjustment: Refer to Section 2-4.
Transmit the debug command
and the Pan/Tilt/Zoom display
command (Refer to No.1/No.3
in Section 3-1.). Then, move
the head block by hand while
checking the numerical data
on the monitor.
Do all 6 types of data
of the Pan motor
change?
Yes
Do all 6 types of data
of the Tilt motor
change?
Yes
Check that there is no
foreign substance stuck
in the moving portion of
cabinet and so on.
Is the connection of
coaxial harness between
the SY-359 board and
the camera block correct?
Yes
Check if the image is
output with the camera
block alone using the
image output tool for
camera (1-857-551-11).
Is the connection of
No
FFC between the
SY-359 board and the
Pan motor correct?
Yes
Is the drive signal input
to the Pan motor?
Yes
Replace the Pan motor.
(Refer to Section 1-7.)
Is the connection of
No
FFC between the
SY-359 board and
MDR-42 board correct?
Yes
Is the drive signal input
to the Tilt motor?
Yes
Replace the Tilt motor.
(Refer to Section 1-6.)
n
When replacing the Tilt motor,
perform the Pan/Tilt adjustment.
Connect the coaxial
harness correctly.
No
If the trouble persists,
replace the coaxial
harness.
Connect FFC correctly.
No
If the trouble persists,
replace FFC.
No
Replace the SY-359 board.
(Refer to Section 1-4-4.)
n
When replacing the SY-359 board,
perform the Pan/Tilt adjustment.
n
When replacing the Pan motor,
perform the Pan/Tilt adjustment.
Connect FFC correctly.
No
If the trouble persists,
replace FFC.
No Replace the MDR-42 board.
(Refer to Section 1-4-6.)
n
When replacing the MDR-42 board,
perform the Pan/Tilt adjustment.
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